Service difficulty report · Skin · Boeing 7377BD

Difficulty date
February 9, 2024
Submitted
March 4, 2024
Operation
Air carrier
Aircraft
N7734H
Make and model
Boeing 7377BD
Aircraft serial
33923
Aircraft time
57,072 hours, 31,251 cycles
Part
Skin
Part number
UNKNOWN
Condition
Cracked
Location
Horizontal Stab
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACK INDICATION FOUND ON RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 17.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 0.775 INCHES. 2024-78606<[01] EQUIPMENT P/N PHASEC 3D; S/N 587435/07; DUE DATE: 15-FEB-24 WAS USED ON STEP 5;[02] EQUIPMENT P/N PHASEC 3D; S/N 800YBRK; DUE DATE: 20-JUN-24 WAS USED ON STEP 8;[03] REPAIRED RH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN BTW STAB STA 189.6 TO STAB STA 198.93. AND BTW 12 INCH FROM FRONT SPAR AND 12.500 INCH OF THE REAR SPAR IAW B737-700 SRM 55-10-01-2R-11 REPAIR 11 SEE INDIVIDUALS SIGN OFF BELOW;[04] TASK COMPLETED; RII <BR><BR>SEE INDIVIDUAL SIGN OFFS BELOW

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